本立场声明由世界内镜组织（WEO）胃与十二指肠疾病委员会制定，阐述内镜在浅表性非壶腹部十二指肠上皮肿瘤（SNADETs）诊断与治疗中的作用。声明就内镜的诊断作用提出9项立场主张，涵盖十二指肠检查、高清内镜和图像增强内镜；并就SNADETs的处理提出7项立场主张，涵盖内镜下切除与创面闭合。
This position statement, developed by the WEO Stomach and Duodenal Diseases Committee, addresses the role of endoscopy in the diagnosis and treatment of superficial non-ampullary duodenal epithelial tumors (SNADETs). It presents 9 position statements on the diagnostic role of endoscopy, including duodenal inspection, high-definition endoscopy, and image-enhanced endoscopy, and 7 position statements on the management of SNADETs, including endoscopic resection and wound closure.